"We see things like reciprocity which are fairly central to our view of ethics. But if you're talking about a set of worked-out rules on what we are supposed to do then, yes, it is a human product"

- Peter Singer

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This quote is written / told by Peter Singer somewhere between July 6, 1946 and today. He/she was a famous Philosopher from Australia. The author also have 30 other quotes. Go to author profile